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[gvar] Handle a couple of error conditions

This commit is contained in:
Behdad Esfahbod 2022-06-27 15:25:50 -06:00
parent 5be6e5dd57
commit 39e280c256
1 changed files with 4 additions and 4 deletions
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8
src/hb-ot-var-gvar-table.hh
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@ -287,7 +287,7 @@ struct GlyphVariationData
if (unlikely (p + 1 > end)) return false; if (unlikely (p + 1 > end)) return false;
count = ((count & POINT_RUN_COUNT_MASK) << 8) | *p++; count = ((count & POINT_RUN_COUNT_MASK) << 8) | *p++;
} }
points.resize (count); if (unlikely (!points.resize (count))) return false;
unsigned int n = 0; unsigned int n = 0;
uint16_t i = 0; uint16_t i = 0;
@ -560,12 +560,12 @@ struct gvar
/* Save original points for inferred delta calculation */ /* Save original points for inferred delta calculation */
contour_point_vector_t orig_points; contour_point_vector_t orig_points;
orig_points.resize (points.length); if (unlikely (!orig_points.resize (points.length))) return false;
for (unsigned int i = 0; i < orig_points.length; i++) for (unsigned int i = 0; i < orig_points.length; i++)
orig_points[i] = points[i]; orig_points.arrayZ[i] = points.arrayZ[i];
contour_point_vector_t deltas; /* flag is used to indicate referenced point */ contour_point_vector_t deltas; /* flag is used to indicate referenced point */
deltas.resize (points.length); if (unlikely (!deltas.resize (points.length))) return false;
hb_vector_t<unsigned> end_points; hb_vector_t<unsigned> end_points;
for (unsigned i = 0; i < points.length; ++i) for (unsigned i = 0; i < points.length; ++i)